U.S. Army Lt. Col. Praxitelis Vamvakias, right, discusses combined operations with Lt. Abdul Roulf, Qara Bagh district police chief, lower left, and Afghan army Col. Mosafer, center, during a security meeting at the Qara Bagh district's center in Afghanistan's Ghazni province, July 16, 2012. Vamvakias commands the 82nd Airborne Division's 2nd Battalion, 504th Parachute Infantry Regiment, 1st Brigade Combat Team.